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DuPont Elastomers VTR 8655 (GBL-S) Peroxide Cured Fluoroelastomer (FKM)

 

Subcategory: Fluoropolymer, TS; Elastomer, TS; Thermoset

Close Analogs: This former DuPont Dow Elastomers product line is now produced by DuPont Performance Elastomers.

Material Notes:
Formulation
VTR 8655100
Zinc Oxide3
N990 Carbon Black30
Diak™ 7 (TAIC)3
Varox® DBPH-502

Description: VTR-8655 is a new, 68% fluorine, peroxide-cured, Viton® polymer similar to VTR-8650 but with a significantly lower gum polymer viscosity of ~25 (ML at 121°C). VTR-8655 utilizes revolutionary new Advanced Polymer Architecture technology which includes a new peroxide cure site along with an optimized molecular weight distribution designed to deliver a polymer which:

  • Is ideal for blending with VTR-8650 to reach intermediate viscosity ranges
  • Cures exceptionally fast to a high state of cure
  • Shows improved mold release/mold fouling properties compared to Viton® GBL-200
  • Shows improved mold flow and less shear sensitivity than 65 Mooney VTR-8650
  • Shows excellent physical properties with high elongation, both original and aged
  • Shows similar heat, fluids, and low temperature resistance compared to Viton® GBL-200
  • Shows improved water resistance/volume swell in water compared to Viton® GBL-200
  • Shows excellent compression set resistance with either low or no postcure

Information provided by manufacturer.

Available Properties
  • Hardness, Shore A
  • Tensile Strength, Ultimate
  • Elongation at Break
  • Modulus of Elasticity
  • 100% Modulus
  • Compression Set, Elevated Temperature
  • Glass Temperature
  
Property Data

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